Apple did not reply to a request for confirmation today that the iWork for iCloud preview was available to all, but Computerworld was able to access the apps using several different non-developer iCloud accounts which had not previously received invitations from Apple.

The beta supports three browsers: Apple's own Safari, Google's Chrome and Microsoft's Internet Explorer (IE). Apple has promised to expand the list, presumably to Mozilla's Firefox and Opera Software's Opera, both of which run on Windows and OS X.

Most analysts believe Apple will give away iWork for iCloud to iPhone, iPad and Mac owners, just as it does iCloud itself, as another way to entice customers into buying the Cupertino, Calif. company's hardware. Another reason they've cited: The competition, including Google Docs and Microsoft's Office Web Apps, is also free.

Not everyone has agreed.

Some have suggested Apple may tie the Web apps to the existing iWork on iOS and OS X. On those platforms the three apps are sold for $9.99 (iOS) or $19.99 (OS X) each. Apple's plan to upgrade OS X's iWork this fall has also lent credence to the tie-in theory.

If those pundits are correct, iWork for iCloud would be available only to those who own the iOS or OS X software. That model would be similar to Microsoft's, which offers select Office apps on the iPhone and Android smartphones only to customers with an active Office 365 subscription.

Although today's timing was a bit surprising -- previously, Apple said that the beta would go public "this fall" -- the company has yet to schedule a final release date or clarify whether it will charge for the apps, and if so how much.

iCloud account holders -- anyone who owns an iOS device or OS X-powered Mac -- can access the betas of Pages, Numbers and Keynote by logging into icloud.com with their username and password.

Anyone with an iCloud account may now try the beta of iWork for iCloud. The three apps -- Pages, Numbers and Keynote -- are flagged with 'beta' labels.